In fr.wikipedia and in fr.wikisource I tried :The Popups gadget, T164044 [[ https://phabricator.wikimedia.org/T164044 | Navigational popups and page previews ]], is usefull to see a short description, and use some features, when any user [[ https://fr.wikisource.org/w/index.php?title=Sp%C3%A9cial%3AListe+de+suivi&days=7&hidebots=1&hidecategorization=1&hideWikibase=1&namespace=&action=submit | mouse-flying upon links ]], without clic upon links, in many pages.
To desactivate, then to activateThen it becomes the Hovercards Beta Feature T70860.
To see this task we can compare in 2 wikis this Popups gadget.
the Popups gadget ,To see this task we can also compare in 2 wikis this Hovercards Beta Feature.
You can compare in fr.wikipedia and in fr.wikisource or other languages. then the Popups BetaIn each:
to see a short description and some tools when mouse-flying upon links.In your preferences, desactivate and valid, then [[ https://fr.wikisource.org/wiki/Sp%C3%A9cial:Pr%C3%A9f%C3%A9rences#mw-prefsection-gadgets | activate and valid the Popups gadget ]] (or the [[ https://fr.wikisource.org/wiki/Sp%C3%A9cial:Pr%C3%A9f%C3%A9rences#mw-prefsection-betafeatures | Hovercards Beta Feature ]])
Then [[ https://fr.wikipedia.org/wiki/Sp%C3%A9cial:Liste_de_suivi | try to ]] "fly the mouse" = "hovercraft" without clic upon links.
In the last MediaWiki 1.29.0-wmf.21 (29800e6) these worked fine in fr.wikisource **but not in fr.wikipedia**.